Vibenite 290, Hardest Steel in the World?

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Fireman
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Re: Vibenite 290, Hardest Steel in the World?

Postby Fireman » Tue Oct 13, 2020 11:55 pm

The ability to print your own knife blade with minimal grinding is quite the improvement.
Last edited by Fireman on Fri Oct 16, 2020 4:33 pm, edited 1 time in total.

JD Spydo
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Re: Vibenite 290, Hardest Steel in the World?

Postby JD Spydo » Wed Oct 14, 2020 5:04 am

Now something this hard would almost have to be a "sintered" form of steel wouldn't it? Tungsten Carbide is "sintered" as well as some of the newer space age ceramics.

I've not yet heard of this one either. This is probably a "Larrin" question.

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Re: Vibenite 290, Hardest Steel in the World?

Postby Chrisswe » Wed Oct 14, 2020 5:44 am

Hi everyone,

I've been in contact with Kristi Hunter and Alex Smith of Spyderco, but I have yet to recieve a response. A test project could definitely be interesting though.

As the forum rules does not allow me to "sell" anything, I can't discuss sending slabs or blanks unfortunately.

The steel is not sintered, which is a common misconception. We melt powder to a full density final shape, with standard heat treatment being the only post treatment if we exclude grinding. This allows us to make all kinds of different shapes and complex structures, which should be a designers wet dream.

Let me know if you have any questions and I'll try to answer them.

Chris

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sal
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Re: Vibenite 290, Hardest Steel in the World?

Postby sal » Wed Oct 14, 2020 8:19 am

Hi Chris,

How do you form your pieces and how would we go about getting a sample that we could test?

sal

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Re: Vibenite 290, Hardest Steel in the World?

Postby Chrisswe » Thu Oct 15, 2020 7:13 am

sal wrote:
Wed Oct 14, 2020 8:19 am
Hi Chris,

How do you form your pieces and how would we go about getting a sample that we could test?

sal
Hello Sal,

The pieces are formed in the machine, during the 3D-printing process. We just need a 3D-CAD-drawing, and the machine does the rest. Of course we have to add grinding allowances to the drawing.

Due to the forum rules I cannot reply to your request regarding a sample, I think. I'll send you an email instead.

Best regards Chris

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Re: Vibenite 290, Hardest Steel in the World?

Postby Buddafucco » Thu Oct 15, 2020 10:57 am

Chrisswe wrote:
Thu Oct 15, 2020 7:13 am
Due to the forum rules I cannot reply to your request regarding a sample, I think. I'll send you an email instead.

Best regards Chris
Fyi... Sal founded Spyderco and these forums. :)

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Re: Vibenite 290, Hardest Steel in the World?

Postby RustyIron » Thu Oct 15, 2020 12:51 pm

Chrisswe wrote:
Thu Oct 15, 2020 7:13 am

The pieces are formed in the machine, during the 3D-printing process. We just need a 3D-CAD-drawing, and the machine does the rest. Of course we have to add grinding allowances to the drawing.
You can 3D print a knife blade that only requires finish grinding? Your newfangled steel doesn't intrigue me as much as does your printing process. That's got to be quite a contraption.

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Re: Vibenite 290, Hardest Steel in the World?

Postby JRinFL » Thu Oct 15, 2020 1:40 pm

Buddafucco wrote:
Thu Oct 15, 2020 10:57 am
Chrisswe wrote:
Thu Oct 15, 2020 7:13 am
Due to the forum rules I cannot reply to your request regarding a sample, I think. I'll send you an email instead.

Best regards Chris
Fyi... Sal founded Spyderco and these forums. :)
I forgot that I wanted to post that "Sal IS Spyderco". ;)
Used to be JR in CT with a much earlier join date. :rolleyes: :spyder: Native in 440v was my gateway Spyderco! :spyder: Wharnie for the whin! Friends call me Jim. As do my foes.

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Re: Vibenite 290, Hardest Steel in the World?

Postby Bill1170 » Thu Oct 15, 2020 11:06 pm

Chris, is the powder fused via laser heating?

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Re: Vibenite 290, Hardest Steel in the World?

Postby Chrisswe » Fri Oct 16, 2020 1:24 am

I had no idea! He mentioned it in his email though.

A blade can be printed with a surface that is similar to grit 80-100 paper. This means that we have to add a grinding allowace of rougly 0.6mm to a surface, for us to be able to grind it clean. It still saves you ALOT of time to be able to print the general shape and bevel of the blade, of course.

The powder is not fused by laser. We melt it with an electron beam in vacuum. The technology is called EBM.

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Re: Vibenite 290, Hardest Steel in the World?

Postby Bill1170 » Fri Oct 16, 2020 8:11 am

Chrisswe wrote:
Fri Oct 16, 2020 1:24 am
I had no idea! He mentioned it in his email though.

A blade can be printed with a surface that is similar to grit 80-100 paper. This means that we have to add a grinding allowace of rougly 0.6mm to a surface, for us to be able to grind it clean. It still saves you ALOT of time to be able to print the general shape and bevel of the blade, of course.

The powder is not fused by laser. We melt it with an electron beam in vacuum. The technology is called EBM.
Thanks! Near net-shape manufacturing is fascinating.

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Enactive
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Re: Vibenite 290, Hardest Steel in the World?

Postby Enactive » Fri Oct 16, 2020 8:27 am

Bill1170 wrote:
Fri Oct 16, 2020 8:11 am
Chrisswe wrote:
Fri Oct 16, 2020 1:24 am
I had no idea! He mentioned it in his email though.

A blade can be printed with a surface that is similar to grit 80-100 paper. This means that we have to add a grinding allowace of rougly 0.6mm to a surface, for us to be able to grind it clean. It still saves you ALOT of time to be able to print the general shape and bevel of the blade, of course.

The powder is not fused by laser. We melt it with an electron beam in vacuum. The technology is called EBM.
Thanks! Near net-shape manufacturing is fascinating.
Yes, this reminded me of near net forging. :cool:

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sal
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Re: Vibenite 290, Hardest Steel in the World?

Postby sal » Fri Oct 16, 2020 9:50 am

Hey Chris_P_Bacon,

Thanx for bringing this to our attention.

Chrisswe,

Thanx much for joining in. Thanx also for the email info. Exciting stuff, actually, at least for me. Hopefully we can move forward.

sal
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Re: Vibenite 290, Hardest Steel in the World?

Postby curlyhairedboy » Sat Oct 17, 2020 6:28 am

Oh man, EBM blades? That would be an exciting mule...
EDC Rotation: PITS, Shaman, CF S90v Shaman, Ikuchi, Amalgam, CruCarta Shaman, DLC Lil Native, Sage 5 LW, 4V Shaman, Watu, Rex 45 Shaman, Rex 45 Lil Native, Caribbean Sheepsfoot CQI, Tanto PM2, Serrated Shaman
Always in Pocket: Hawkbill Dragonfly 2 H1
Fixed Blades: Proficient, Junction, Waterway
Special and Sentimental: Southard, Smallfly G10, Squarehead LW, Ouroboros, Calendar Para 3 LW, 40th Anniversary Native, Calendar Watu
Would like to own again: Currently N/A!
Wishlist: Smallfly 2, CQI SpyderEdge Caribbean Sheepsfoot, Shaman Sprints!

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Fireman
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Re: Vibenite 290, Hardest Steel in the World?

Postby Fireman » Sat Oct 17, 2020 9:51 am

curlyhairedboy wrote:
Sat Oct 17, 2020 6:28 am
Oh man, EBM blades? That would be an exciting mule...
Put me on the list for a mule in this steel.


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